Home / 101,568,168-140,206,982.40-68,573,117.16

Finding the Fourth Proportional to 101,568,168, 140,206,982.40 and 68,573,117.16

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Solution

The fourth proportional to 101,568,168, 140,206,982.40 and 68,573,117.16 is: 94,659,872.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,568,168 : 140,206,982.40 = 68,573,117.16 : x
  2. Step 2: Convert to fraction form
    101,568,168/140,206,982.40 = 68,573,117.16/x
  3. Step 3: Cross multiply
    101,568,168x = 140,206,982.40 × 68,573,117.16
  4. Step 4: Simplify right side
    101,568,168x = 9,614,429,830,765,258
  5. Step 5: Solve for x
    x = 9,614,429,830,765,258/101,568,168
  6. Step 6: Final answer
    x = 94,659,872.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.